./Ultimate.py --spec /storage/repos/svcomp/c/properties/unreach-call.prp --file /storage/repos/svcomp/c/float-newlib/float_req_bl_1092b_true-unreach-call.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0ed9222f Calling Ultimate with: java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/svcomp/c/float-newlib/float_req_bl_1092b_true-unreach-call.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 2e3b677629e69b083ff740542124e952dcae7545 .................................................................................................................................................................................................................................................................................. Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/svcomp/c/float-newlib/float_req_bl_1092b_true-unreach-call.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 2e3b677629e69b083ff740542124e952dcae7545 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-0ed9222-m [2019-01-12 09:16:03,759 INFO L170 SettingsManager]: Resetting all preferences to default values... [2019-01-12 09:16:03,761 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2019-01-12 09:16:03,773 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-01-12 09:16:03,774 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-01-12 09:16:03,775 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-01-12 09:16:03,776 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-01-12 09:16:03,779 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2019-01-12 09:16:03,780 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-01-12 09:16:03,782 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-01-12 09:16:03,783 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-01-12 09:16:03,783 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-01-12 09:16:03,784 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-01-12 09:16:03,785 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-01-12 09:16:03,787 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-01-12 09:16:03,787 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-01-12 09:16:03,788 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-01-12 09:16:03,791 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-01-12 09:16:03,793 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2019-01-12 09:16:03,795 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-01-12 09:16:03,796 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-01-12 09:16:03,798 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-01-12 09:16:03,800 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-01-12 09:16:03,801 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-01-12 09:16:03,801 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-01-12 09:16:03,802 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-01-12 09:16:03,804 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-01-12 09:16:03,805 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-01-12 09:16:03,805 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2019-01-12 09:16:03,807 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-01-12 09:16:03,807 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2019-01-12 09:16:03,808 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-01-12 09:16:03,808 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-01-12 09:16:03,808 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2019-01-12 09:16:03,810 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2019-01-12 09:16:03,811 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2019-01-12 09:16:03,811 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-01-12 09:16:03,827 INFO L110 SettingsManager]: Loading preferences was successful [2019-01-12 09:16:03,827 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2019-01-12 09:16:03,828 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-01-12 09:16:03,828 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2019-01-12 09:16:03,829 INFO L133 SettingsManager]: * Use SBE=true [2019-01-12 09:16:03,829 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-01-12 09:16:03,830 INFO L133 SettingsManager]: * sizeof long=4 [2019-01-12 09:16:03,830 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2019-01-12 09:16:03,830 INFO L133 SettingsManager]: * sizeof POINTER=4 [2019-01-12 09:16:03,830 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2019-01-12 09:16:03,830 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-01-12 09:16:03,830 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-01-12 09:16:03,831 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-01-12 09:16:03,831 INFO L133 SettingsManager]: * sizeof long double=12 [2019-01-12 09:16:03,831 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2019-01-12 09:16:03,831 INFO L133 SettingsManager]: * Use constant arrays=true [2019-01-12 09:16:03,831 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-01-12 09:16:03,832 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-01-12 09:16:03,833 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-01-12 09:16:03,833 INFO L133 SettingsManager]: * To the following directory=./dump/ [2019-01-12 09:16:03,833 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2019-01-12 09:16:03,834 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-01-12 09:16:03,834 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-01-12 09:16:03,834 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-01-12 09:16:03,834 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-01-12 09:16:03,834 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2019-01-12 09:16:03,835 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-01-12 09:16:03,836 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-01-12 09:16:03,836 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2e3b677629e69b083ff740542124e952dcae7545 [2019-01-12 09:16:03,872 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-01-12 09:16:03,885 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-01-12 09:16:03,888 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-01-12 09:16:03,890 INFO L271 PluginConnector]: Initializing CDTParser... [2019-01-12 09:16:03,891 INFO L276 PluginConnector]: CDTParser initialized [2019-01-12 09:16:03,892 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/float-newlib/float_req_bl_1092b_true-unreach-call.c [2019-01-12 09:16:03,950 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8a5d72d4e/656702721f124df19788c5e9ef8bb9e7/FLAGcce4d4fe6 [2019-01-12 09:16:04,401 INFO L307 CDTParser]: Found 1 translation units. [2019-01-12 09:16:04,402 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/float-newlib/float_req_bl_1092b_true-unreach-call.c [2019-01-12 09:16:04,413 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8a5d72d4e/656702721f124df19788c5e9ef8bb9e7/FLAGcce4d4fe6 [2019-01-12 09:16:04,755 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8a5d72d4e/656702721f124df19788c5e9ef8bb9e7 [2019-01-12 09:16:04,759 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-01-12 09:16:04,760 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-01-12 09:16:04,761 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-01-12 09:16:04,762 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-01-12 09:16:04,766 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2019-01-12 09:16:04,767 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.01 09:16:04" (1/1) ... [2019-01-12 09:16:04,770 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1dac9110 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 09:16:04, skipping insertion in model container [2019-01-12 09:16:04,770 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.01 09:16:04" (1/1) ... [2019-01-12 09:16:04,779 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-01-12 09:16:04,801 INFO L176 MainTranslator]: Built tables and reachable declarations [2019-01-12 09:16:05,029 INFO L208 PostProcessor]: Analyzing one entry point: main [2019-01-12 09:16:05,035 INFO L191 MainTranslator]: Completed pre-run [2019-01-12 09:16:05,087 INFO L208 PostProcessor]: Analyzing one entry point: main [2019-01-12 09:16:05,126 INFO L195 MainTranslator]: Completed translation [2019-01-12 09:16:05,127 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 09:16:05 WrapperNode [2019-01-12 09:16:05,128 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-01-12 09:16:05,130 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-01-12 09:16:05,130 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-01-12 09:16:05,130 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2019-01-12 09:16:05,142 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 09:16:05" (1/1) ... [2019-01-12 09:16:05,168 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 09:16:05" (1/1) ... [2019-01-12 09:16:05,205 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-01-12 09:16:05,206 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-01-12 09:16:05,206 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-01-12 09:16:05,206 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2019-01-12 09:16:05,218 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 09:16:05" (1/1) ... [2019-01-12 09:16:05,218 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 09:16:05" (1/1) ... [2019-01-12 09:16:05,318 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 09:16:05" (1/1) ... [2019-01-12 09:16:05,319 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 09:16:05" (1/1) ... [2019-01-12 09:16:05,334 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 09:16:05" (1/1) ... [2019-01-12 09:16:05,347 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 09:16:05" (1/1) ... [2019-01-12 09:16:05,351 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 09:16:05" (1/1) ... [2019-01-12 09:16:05,360 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-01-12 09:16:05,362 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-01-12 09:16:05,362 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-01-12 09:16:05,363 INFO L276 PluginConnector]: RCFGBuilder initialized [2019-01-12 09:16:05,364 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 09:16:05" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-01-12 09:16:05,436 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2019-01-12 09:16:05,437 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-01-12 09:16:05,438 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2019-01-12 09:16:05,438 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-01-12 09:16:05,438 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-01-12 09:16:05,438 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-01-12 09:16:05,438 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-01-12 09:16:05,439 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-01-12 09:16:06,046 INFO L281 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-01-12 09:16:06,047 INFO L286 CfgBuilder]: Removed 14 assue(true) statements. [2019-01-12 09:16:06,048 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.01 09:16:06 BoogieIcfgContainer [2019-01-12 09:16:06,048 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-01-12 09:16:06,049 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-01-12 09:16:06,049 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-01-12 09:16:06,052 INFO L276 PluginConnector]: TraceAbstraction initialized [2019-01-12 09:16:06,052 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.01 09:16:04" (1/3) ... [2019-01-12 09:16:06,053 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5d76f524 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.01 09:16:06, skipping insertion in model container [2019-01-12 09:16:06,053 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 09:16:05" (2/3) ... [2019-01-12 09:16:06,054 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5d76f524 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.01 09:16:06, skipping insertion in model container [2019-01-12 09:16:06,054 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.01 09:16:06" (3/3) ... [2019-01-12 09:16:06,057 INFO L112 eAbstractionObserver]: Analyzing ICFG float_req_bl_1092b_true-unreach-call.c [2019-01-12 09:16:06,068 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-01-12 09:16:06,078 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-01-12 09:16:06,098 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-01-12 09:16:06,130 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2019-01-12 09:16:06,131 INFO L382 AbstractCegarLoop]: Interprodecural is true [2019-01-12 09:16:06,131 INFO L383 AbstractCegarLoop]: Hoare is true [2019-01-12 09:16:06,131 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-01-12 09:16:06,132 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-01-12 09:16:06,132 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-01-12 09:16:06,132 INFO L387 AbstractCegarLoop]: Difference is false [2019-01-12 09:16:06,132 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-01-12 09:16:06,132 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-01-12 09:16:06,148 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states. [2019-01-12 09:16:06,155 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-01-12 09:16:06,155 INFO L394 BasicCegarLoop]: Found error trace [2019-01-12 09:16:06,156 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-12 09:16:06,158 INFO L423 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-01-12 09:16:06,164 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-12 09:16:06,164 INFO L82 PathProgramCache]: Analyzing trace with hash -2022248449, now seen corresponding path program 1 times [2019-01-12 09:16:06,167 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-12 09:16:06,167 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-12 09:16:06,209 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-12 09:16:06,209 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-12 09:16:06,209 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-12 09:16:06,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-12 09:16:06,264 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-12 09:16:06,267 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-12 09:16:06,268 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-01-12 09:16:06,272 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-01-12 09:16:06,283 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-01-12 09:16:06,283 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-01-12 09:16:06,286 INFO L87 Difference]: Start difference. First operand 30 states. Second operand 2 states. [2019-01-12 09:16:06,302 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-12 09:16:06,302 INFO L93 Difference]: Finished difference Result 58 states and 90 transitions. [2019-01-12 09:16:06,302 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-01-12 09:16:06,304 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 10 [2019-01-12 09:16:06,304 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-12 09:16:06,315 INFO L225 Difference]: With dead ends: 58 [2019-01-12 09:16:06,316 INFO L226 Difference]: Without dead ends: 27 [2019-01-12 09:16:06,319 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-01-12 09:16:06,336 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states. [2019-01-12 09:16:06,352 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 27. [2019-01-12 09:16:06,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 27 states. [2019-01-12 09:16:06,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 36 transitions. [2019-01-12 09:16:06,356 INFO L78 Accepts]: Start accepts. Automaton has 27 states and 36 transitions. Word has length 10 [2019-01-12 09:16:06,356 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-12 09:16:06,356 INFO L480 AbstractCegarLoop]: Abstraction has 27 states and 36 transitions. [2019-01-12 09:16:06,356 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-01-12 09:16:06,356 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 36 transitions. [2019-01-12 09:16:06,357 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-01-12 09:16:06,357 INFO L394 BasicCegarLoop]: Found error trace [2019-01-12 09:16:06,357 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-12 09:16:06,358 INFO L423 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-01-12 09:16:06,358 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-12 09:16:06,358 INFO L82 PathProgramCache]: Analyzing trace with hash -62588350, now seen corresponding path program 1 times [2019-01-12 09:16:06,358 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-12 09:16:06,358 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-12 09:16:06,359 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-12 09:16:06,360 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-12 09:16:06,360 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-12 09:16:06,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-12 09:16:06,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-12 09:16:06,465 INFO L469 BasicCegarLoop]: Counterexample might be feasible [2019-01-12 09:16:06,496 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.01 09:16:06 BoogieIcfgContainer [2019-01-12 09:16:06,497 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-01-12 09:16:06,497 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-01-12 09:16:06,497 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-01-12 09:16:06,497 INFO L276 PluginConnector]: Witness Printer initialized [2019-01-12 09:16:06,499 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.01 09:16:06" (3/4) ... [2019-01-12 09:16:06,502 INFO L147 WitnessPrinter]: No result that supports witness generation found [2019-01-12 09:16:06,503 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-01-12 09:16:06,503 INFO L168 Benchmark]: Toolchain (without parser) took 1744.29 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 100.7 MB). Free memory was 950.0 MB in the beginning and 1.0 GB in the end (delta: -92.3 MB). Peak memory consumption was 8.4 MB. Max. memory is 11.5 GB. [2019-01-12 09:16:06,506 INFO L168 Benchmark]: CDTParser took 0.50 ms. Allocated memory is still 1.0 GB. Free memory is still 978.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-01-12 09:16:06,506 INFO L168 Benchmark]: CACSL2BoogieTranslator took 367.47 ms. Allocated memory is still 1.0 GB. Free memory was 950.0 MB in the beginning and 937.9 MB in the end (delta: 12.1 MB). Peak memory consumption was 12.1 MB. Max. memory is 11.5 GB. [2019-01-12 09:16:06,508 INFO L168 Benchmark]: Boogie Procedure Inliner took 76.03 ms. Allocated memory is still 1.0 GB. Free memory was 937.9 MB in the beginning and 932.6 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-01-12 09:16:06,508 INFO L168 Benchmark]: Boogie Preprocessor took 155.75 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 100.7 MB). Free memory was 932.6 MB in the beginning and 1.1 GB in the end (delta: -149.0 MB). Peak memory consumption was 13.5 MB. Max. memory is 11.5 GB. [2019-01-12 09:16:06,509 INFO L168 Benchmark]: RCFGBuilder took 686.33 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 18.5 MB). Peak memory consumption was 18.5 MB. Max. memory is 11.5 GB. [2019-01-12 09:16:06,510 INFO L168 Benchmark]: TraceAbstraction took 447.69 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 20.8 MB). Peak memory consumption was 20.8 MB. Max. memory is 11.5 GB. [2019-01-12 09:16:06,511 INFO L168 Benchmark]: Witness Printer took 5.51 ms. Allocated memory is still 1.1 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-01-12 09:16:06,516 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.50 ms. Allocated memory is still 1.0 GB. Free memory is still 978.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 367.47 ms. Allocated memory is still 1.0 GB. Free memory was 950.0 MB in the beginning and 937.9 MB in the end (delta: 12.1 MB). Peak memory consumption was 12.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 76.03 ms. Allocated memory is still 1.0 GB. Free memory was 937.9 MB in the beginning and 932.6 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 155.75 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 100.7 MB). Free memory was 932.6 MB in the beginning and 1.1 GB in the end (delta: -149.0 MB). Peak memory consumption was 13.5 MB. Max. memory is 11.5 GB. * RCFGBuilder took 686.33 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 18.5 MB). Peak memory consumption was 18.5 MB. Max. memory is 11.5 GB. * TraceAbstraction took 447.69 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 20.8 MB). Peak memory consumption was 20.8 MB. Max. memory is 11.5 GB. * Witness Printer took 5.51 ms. Allocated memory is still 1.1 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 81]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 80, overapproximation of bitwiseAnd at line 21. Possible FailurePath: [L11] static const float huge_ceil = 1.0e30; VAL [huge_ceil=1000000000000000000000000000000] [L76] float x = 0.0f; [L14] __int32_t i0, j0; [L15] __uint32_t i, ix; VAL [huge_ceil=1000000000000000000000000000000] [L17] ieee_float_shape_type gf_u; [L18] gf_u.value = (x) [L19] EXPR gf_u.word [L19] (i0) = gf_u.word [L21] ix = (i0 & 0x7fffffff) [L22] j0 = (ix >> 23) - 0x7f VAL [huge_ceil=1000000000000000000000000000000] [L23] COND FALSE !(j0 < 23) VAL [huge_ceil=1000000000000000000000000000000] [L43] COND FALSE !(!((ix) < 0x7f800000L)) [L46] return x; VAL [huge_ceil=1000000000000000000000000000000] [L77] float res = ceil_float(x); [L80] EXPR res == 0.0f && __signbit_float(res) == 0 VAL [huge_ceil=1000000000000000000000000000000] [L80] COND TRUE !(res == 0.0f && __signbit_float(res) == 0) [L81] __VERIFIER_error() VAL [huge_ceil=1000000000000000000000000000000] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 30 locations, 1 error locations. UNSAFE Result, 0.3s OverallTime, 2 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 39 SDtfs, 0 SDslu, 0 SDs, 0 SdLazy, 0 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=30occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 21 NumberOfCodeBlocks, 21 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 9 ConstructedInterpolants, 0 QuantifiedInterpolants, 81 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.24-0ed9222-m [2019-01-12 09:16:08,893 INFO L170 SettingsManager]: Resetting all preferences to default values... [2019-01-12 09:16:08,895 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2019-01-12 09:16:08,912 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-01-12 09:16:08,913 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-01-12 09:16:08,917 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-01-12 09:16:08,919 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-01-12 09:16:08,921 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2019-01-12 09:16:08,925 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-01-12 09:16:08,928 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-01-12 09:16:08,932 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-01-12 09:16:08,933 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-01-12 09:16:08,934 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-01-12 09:16:08,935 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-01-12 09:16:08,936 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-01-12 09:16:08,939 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-01-12 09:16:08,941 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-01-12 09:16:08,944 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-01-12 09:16:08,954 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2019-01-12 09:16:08,958 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-01-12 09:16:08,959 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-01-12 09:16:08,963 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-01-12 09:16:08,967 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-01-12 09:16:08,969 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-01-12 09:16:08,969 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-01-12 09:16:08,971 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-01-12 09:16:08,972 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-01-12 09:16:08,974 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-01-12 09:16:08,975 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2019-01-12 09:16:08,978 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-01-12 09:16:08,979 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2019-01-12 09:16:08,980 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-01-12 09:16:08,980 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-01-12 09:16:08,980 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2019-01-12 09:16:08,982 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2019-01-12 09:16:08,983 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2019-01-12 09:16:08,984 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-01-12 09:16:09,014 INFO L110 SettingsManager]: Loading preferences was successful [2019-01-12 09:16:09,015 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2019-01-12 09:16:09,016 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-01-12 09:16:09,018 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2019-01-12 09:16:09,018 INFO L133 SettingsManager]: * Use SBE=true [2019-01-12 09:16:09,018 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-01-12 09:16:09,018 INFO L133 SettingsManager]: * sizeof long=4 [2019-01-12 09:16:09,018 INFO L133 SettingsManager]: * sizeof POINTER=4 [2019-01-12 09:16:09,019 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2019-01-12 09:16:09,019 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-01-12 09:16:09,019 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-01-12 09:16:09,019 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-01-12 09:16:09,019 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2019-01-12 09:16:09,019 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-01-12 09:16:09,020 INFO L133 SettingsManager]: * sizeof long double=12 [2019-01-12 09:16:09,021 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2019-01-12 09:16:09,022 INFO L133 SettingsManager]: * Use constant arrays=true [2019-01-12 09:16:09,023 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-01-12 09:16:09,023 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-01-12 09:16:09,023 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-01-12 09:16:09,024 INFO L133 SettingsManager]: * To the following directory=./dump/ [2019-01-12 09:16:09,024 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2019-01-12 09:16:09,025 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-01-12 09:16:09,025 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-01-12 09:16:09,025 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-01-12 09:16:09,025 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-01-12 09:16:09,025 INFO L133 SettingsManager]: * Trace refinement strategy=WOLF [2019-01-12 09:16:09,026 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-01-12 09:16:09,026 INFO L133 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-01-12 09:16:09,026 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2019-01-12 09:16:09,026 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2e3b677629e69b083ff740542124e952dcae7545 [2019-01-12 09:16:09,097 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-01-12 09:16:09,113 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-01-12 09:16:09,121 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-01-12 09:16:09,123 INFO L271 PluginConnector]: Initializing CDTParser... [2019-01-12 09:16:09,123 INFO L276 PluginConnector]: CDTParser initialized [2019-01-12 09:16:09,124 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/float-newlib/float_req_bl_1092b_true-unreach-call.c [2019-01-12 09:16:09,187 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/54fe2be06/f2a2db577bb9483bafefd5e91bb2a9db/FLAG7e299aff6 [2019-01-12 09:16:09,674 INFO L307 CDTParser]: Found 1 translation units. [2019-01-12 09:16:09,676 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/float-newlib/float_req_bl_1092b_true-unreach-call.c [2019-01-12 09:16:09,681 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/54fe2be06/f2a2db577bb9483bafefd5e91bb2a9db/FLAG7e299aff6 [2019-01-12 09:16:10,009 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/54fe2be06/f2a2db577bb9483bafefd5e91bb2a9db [2019-01-12 09:16:10,013 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-01-12 09:16:10,015 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-01-12 09:16:10,016 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-01-12 09:16:10,016 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-01-12 09:16:10,021 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2019-01-12 09:16:10,022 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.01 09:16:10" (1/1) ... [2019-01-12 09:16:10,025 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4c14b69e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 09:16:10, skipping insertion in model container [2019-01-12 09:16:10,026 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.01 09:16:10" (1/1) ... [2019-01-12 09:16:10,034 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-01-12 09:16:10,056 INFO L176 MainTranslator]: Built tables and reachable declarations [2019-01-12 09:16:10,325 INFO L208 PostProcessor]: Analyzing one entry point: main [2019-01-12 09:16:10,336 INFO L191 MainTranslator]: Completed pre-run [2019-01-12 09:16:10,384 INFO L208 PostProcessor]: Analyzing one entry point: main [2019-01-12 09:16:10,424 INFO L195 MainTranslator]: Completed translation [2019-01-12 09:16:10,424 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 09:16:10 WrapperNode [2019-01-12 09:16:10,424 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-01-12 09:16:10,425 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-01-12 09:16:10,426 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-01-12 09:16:10,426 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2019-01-12 09:16:10,435 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 09:16:10" (1/1) ... [2019-01-12 09:16:10,447 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 09:16:10" (1/1) ... [2019-01-12 09:16:10,547 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-01-12 09:16:10,547 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-01-12 09:16:10,547 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-01-12 09:16:10,548 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2019-01-12 09:16:10,556 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 09:16:10" (1/1) ... [2019-01-12 09:16:10,556 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 09:16:10" (1/1) ... [2019-01-12 09:16:10,560 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 09:16:10" (1/1) ... [2019-01-12 09:16:10,562 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 09:16:10" (1/1) ... [2019-01-12 09:16:10,575 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 09:16:10" (1/1) ... [2019-01-12 09:16:10,583 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 09:16:10" (1/1) ... [2019-01-12 09:16:10,587 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 09:16:10" (1/1) ... [2019-01-12 09:16:10,597 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-01-12 09:16:10,598 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-01-12 09:16:10,598 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-01-12 09:16:10,598 INFO L276 PluginConnector]: RCFGBuilder initialized [2019-01-12 09:16:10,599 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 09:16:10" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-01-12 09:16:10,663 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-01-12 09:16:10,663 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2019-01-12 09:16:10,663 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2019-01-12 09:16:10,663 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-01-12 09:16:10,664 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-01-12 09:16:10,664 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2019-01-12 09:16:10,664 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2019-01-12 09:16:10,664 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-01-12 09:16:10,934 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-01-12 09:16:11,068 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-01-12 09:16:11,464 INFO L281 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-01-12 09:16:11,464 INFO L286 CfgBuilder]: Removed 14 assue(true) statements. [2019-01-12 09:16:11,465 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.01 09:16:11 BoogieIcfgContainer [2019-01-12 09:16:11,466 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-01-12 09:16:11,467 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-01-12 09:16:11,467 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-01-12 09:16:11,471 INFO L276 PluginConnector]: TraceAbstraction initialized [2019-01-12 09:16:11,471 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.01 09:16:10" (1/3) ... [2019-01-12 09:16:11,472 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@19279483 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.01 09:16:11, skipping insertion in model container [2019-01-12 09:16:11,472 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 09:16:10" (2/3) ... [2019-01-12 09:16:11,473 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@19279483 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.01 09:16:11, skipping insertion in model container [2019-01-12 09:16:11,473 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.01 09:16:11" (3/3) ... [2019-01-12 09:16:11,476 INFO L112 eAbstractionObserver]: Analyzing ICFG float_req_bl_1092b_true-unreach-call.c [2019-01-12 09:16:11,487 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-01-12 09:16:11,496 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-01-12 09:16:11,514 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-01-12 09:16:11,542 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2019-01-12 09:16:11,542 INFO L382 AbstractCegarLoop]: Interprodecural is true [2019-01-12 09:16:11,543 INFO L383 AbstractCegarLoop]: Hoare is true [2019-01-12 09:16:11,543 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-01-12 09:16:11,543 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-01-12 09:16:11,543 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-01-12 09:16:11,543 INFO L387 AbstractCegarLoop]: Difference is false [2019-01-12 09:16:11,544 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-01-12 09:16:11,544 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-01-12 09:16:11,556 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states. [2019-01-12 09:16:11,562 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-01-12 09:16:11,562 INFO L394 BasicCegarLoop]: Found error trace [2019-01-12 09:16:11,563 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-12 09:16:11,565 INFO L423 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-01-12 09:16:11,569 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-12 09:16:11,570 INFO L82 PathProgramCache]: Analyzing trace with hash -2022248449, now seen corresponding path program 1 times [2019-01-12 09:16:11,573 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2019-01-12 09:16:11,574 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 2 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with mathsat -unsat_core_generation=3 [2019-01-12 09:16:11,580 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-12 09:16:11,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-12 09:16:11,628 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-12 09:16:11,643 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-12 09:16:11,644 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2019-01-12 09:16:11,663 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-12 09:16:11,663 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-01-12 09:16:11,668 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-01-12 09:16:11,683 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-01-12 09:16:11,683 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-01-12 09:16:11,687 INFO L87 Difference]: Start difference. First operand 30 states. Second operand 2 states. [2019-01-12 09:16:11,707 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-12 09:16:11,707 INFO L93 Difference]: Finished difference Result 58 states and 90 transitions. [2019-01-12 09:16:11,707 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-01-12 09:16:11,708 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 10 [2019-01-12 09:16:11,709 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-12 09:16:11,718 INFO L225 Difference]: With dead ends: 58 [2019-01-12 09:16:11,718 INFO L226 Difference]: Without dead ends: 27 [2019-01-12 09:16:11,721 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-01-12 09:16:11,739 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states. [2019-01-12 09:16:11,755 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 27. [2019-01-12 09:16:11,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 27 states. [2019-01-12 09:16:11,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 36 transitions. [2019-01-12 09:16:11,760 INFO L78 Accepts]: Start accepts. Automaton has 27 states and 36 transitions. Word has length 10 [2019-01-12 09:16:11,760 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-12 09:16:11,760 INFO L480 AbstractCegarLoop]: Abstraction has 27 states and 36 transitions. [2019-01-12 09:16:11,760 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-01-12 09:16:11,760 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 36 transitions. [2019-01-12 09:16:11,762 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-01-12 09:16:11,762 INFO L394 BasicCegarLoop]: Found error trace [2019-01-12 09:16:11,762 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-12 09:16:11,762 INFO L423 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-01-12 09:16:11,763 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-12 09:16:11,763 INFO L82 PathProgramCache]: Analyzing trace with hash -62588350, now seen corresponding path program 1 times [2019-01-12 09:16:11,763 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2019-01-12 09:16:11,763 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 3 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with mathsat -unsat_core_generation=3 [2019-01-12 09:16:11,772 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-12 09:16:11,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-12 09:16:11,824 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-12 09:16:11,986 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-12 09:16:11,986 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2019-01-12 09:16:12,003 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-12 09:16:12,003 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-01-12 09:16:12,005 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-01-12 09:16:12,005 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-01-12 09:16:12,005 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-01-12 09:16:12,006 INFO L87 Difference]: Start difference. First operand 27 states and 36 transitions. Second operand 5 states. [2019-01-12 09:16:12,470 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-12 09:16:12,472 INFO L93 Difference]: Finished difference Result 51 states and 60 transitions. [2019-01-12 09:16:12,472 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-01-12 09:16:12,473 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 11 [2019-01-12 09:16:12,473 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-12 09:16:12,474 INFO L225 Difference]: With dead ends: 51 [2019-01-12 09:16:12,474 INFO L226 Difference]: Without dead ends: 34 [2019-01-12 09:16:12,475 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2019-01-12 09:16:12,476 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34 states. [2019-01-12 09:16:12,482 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34 to 22. [2019-01-12 09:16:12,483 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 22 states. [2019-01-12 09:16:12,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 24 transitions. [2019-01-12 09:16:12,484 INFO L78 Accepts]: Start accepts. Automaton has 22 states and 24 transitions. Word has length 11 [2019-01-12 09:16:12,484 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-12 09:16:12,484 INFO L480 AbstractCegarLoop]: Abstraction has 22 states and 24 transitions. [2019-01-12 09:16:12,485 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-01-12 09:16:12,486 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 24 transitions. [2019-01-12 09:16:12,486 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2019-01-12 09:16:12,486 INFO L394 BasicCegarLoop]: Found error trace [2019-01-12 09:16:12,487 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-12 09:16:12,487 INFO L423 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-01-12 09:16:12,487 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-12 09:16:12,487 INFO L82 PathProgramCache]: Analyzing trace with hash 1612307429, now seen corresponding path program 1 times [2019-01-12 09:16:12,489 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2019-01-12 09:16:12,489 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 4 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2019-01-12 09:16:12,500 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY Waiting until toolchain timeout for monitored process 4 with mathsat -unsat_core_generation=3 [2019-01-12 09:16:12,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-12 09:16:12,575 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-12 09:16:12,638 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-12 09:16:12,639 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2019-01-12 09:16:12,656 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-12 09:16:12,657 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-01-12 09:16:12,657 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-01-12 09:16:12,658 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-01-12 09:16:12,659 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-01-12 09:16:12,659 INFO L87 Difference]: Start difference. First operand 22 states and 24 transitions. Second operand 4 states. [2019-01-12 09:16:12,805 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-12 09:16:12,805 INFO L93 Difference]: Finished difference Result 34 states and 36 transitions. [2019-01-12 09:16:12,807 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-01-12 09:16:12,808 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 15 [2019-01-12 09:16:12,808 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-12 09:16:12,809 INFO L225 Difference]: With dead ends: 34 [2019-01-12 09:16:12,809 INFO L226 Difference]: Without dead ends: 22 [2019-01-12 09:16:12,809 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 11 SyntacticMatches, 1 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-01-12 09:16:12,812 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22 states. [2019-01-12 09:16:12,824 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22 to 22. [2019-01-12 09:16:12,827 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 22 states. [2019-01-12 09:16:12,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 23 transitions. [2019-01-12 09:16:12,828 INFO L78 Accepts]: Start accepts. Automaton has 22 states and 23 transitions. Word has length 15 [2019-01-12 09:16:12,828 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-12 09:16:12,828 INFO L480 AbstractCegarLoop]: Abstraction has 22 states and 23 transitions. [2019-01-12 09:16:12,828 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-01-12 09:16:12,828 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 23 transitions. [2019-01-12 09:16:12,831 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-01-12 09:16:12,832 INFO L394 BasicCegarLoop]: Found error trace [2019-01-12 09:16:12,833 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-12 09:16:12,833 INFO L423 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-01-12 09:16:12,833 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-12 09:16:12,834 INFO L82 PathProgramCache]: Analyzing trace with hash -1572128049, now seen corresponding path program 1 times [2019-01-12 09:16:12,836 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2019-01-12 09:16:12,836 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 5 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with mathsat -unsat_core_generation=3 [2019-01-12 09:16:12,844 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-12 09:16:12,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-12 09:16:12,930 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-12 09:16:12,994 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-12 09:16:12,994 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2019-01-12 09:16:13,006 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-12 09:16:13,006 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-01-12 09:16:13,007 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-01-12 09:16:13,007 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-01-12 09:16:13,007 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-01-12 09:16:13,009 INFO L87 Difference]: Start difference. First operand 22 states and 23 transitions. Second operand 5 states. [2019-01-12 09:16:13,264 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-12 09:16:13,265 INFO L93 Difference]: Finished difference Result 34 states and 35 transitions. [2019-01-12 09:16:13,268 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-01-12 09:16:13,269 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 17 [2019-01-12 09:16:13,269 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-12 09:16:13,270 INFO L225 Difference]: With dead ends: 34 [2019-01-12 09:16:13,270 INFO L226 Difference]: Without dead ends: 22 [2019-01-12 09:16:13,271 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2019-01-12 09:16:13,273 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22 states. [2019-01-12 09:16:13,280 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22 to 22. [2019-01-12 09:16:13,280 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 22 states. [2019-01-12 09:16:13,281 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 22 transitions. [2019-01-12 09:16:13,281 INFO L78 Accepts]: Start accepts. Automaton has 22 states and 22 transitions. Word has length 17 [2019-01-12 09:16:13,281 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-12 09:16:13,282 INFO L480 AbstractCegarLoop]: Abstraction has 22 states and 22 transitions. [2019-01-12 09:16:13,282 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-01-12 09:16:13,282 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 22 transitions. [2019-01-12 09:16:13,282 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-01-12 09:16:13,282 INFO L394 BasicCegarLoop]: Found error trace [2019-01-12 09:16:13,283 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-12 09:16:13,283 INFO L423 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-01-12 09:16:13,283 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-12 09:16:13,283 INFO L82 PathProgramCache]: Analyzing trace with hash 1913492621, now seen corresponding path program 1 times [2019-01-12 09:16:13,284 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2019-01-12 09:16:13,284 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 6 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with mathsat -unsat_core_generation=3 [2019-01-12 09:16:13,294 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-12 09:16:13,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-12 09:16:13,354 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-12 09:16:13,429 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-12 09:16:13,429 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2019-01-12 09:16:13,441 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-12 09:16:13,441 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-01-12 09:16:13,441 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-01-12 09:16:13,442 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-01-12 09:16:13,442 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-01-12 09:16:13,442 INFO L87 Difference]: Start difference. First operand 22 states and 22 transitions. Second operand 6 states. [2019-01-12 09:16:13,652 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-12 09:16:13,652 INFO L93 Difference]: Finished difference Result 25 states and 24 transitions. [2019-01-12 09:16:13,654 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-01-12 09:16:13,654 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 17 [2019-01-12 09:16:13,655 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-12 09:16:13,655 INFO L225 Difference]: With dead ends: 25 [2019-01-12 09:16:13,656 INFO L226 Difference]: Without dead ends: 22 [2019-01-12 09:16:13,656 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 11 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2019-01-12 09:16:13,657 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22 states. [2019-01-12 09:16:13,663 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22 to 22. [2019-01-12 09:16:13,664 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 22 states. [2019-01-12 09:16:13,664 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 21 transitions. [2019-01-12 09:16:13,664 INFO L78 Accepts]: Start accepts. Automaton has 22 states and 21 transitions. Word has length 17 [2019-01-12 09:16:13,666 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-12 09:16:13,666 INFO L480 AbstractCegarLoop]: Abstraction has 22 states and 21 transitions. [2019-01-12 09:16:13,666 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-01-12 09:16:13,666 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 21 transitions. [2019-01-12 09:16:13,667 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2019-01-12 09:16:13,667 INFO L394 BasicCegarLoop]: Found error trace [2019-01-12 09:16:13,667 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-12 09:16:13,667 INFO L423 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-01-12 09:16:13,668 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-12 09:16:13,668 INFO L82 PathProgramCache]: Analyzing trace with hash 805440418, now seen corresponding path program 1 times [2019-01-12 09:16:13,668 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2019-01-12 09:16:13,668 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 7 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2019-01-12 09:16:13,681 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY Waiting until toolchain timeout for monitored process 7 with mathsat -unsat_core_generation=3 [2019-01-12 09:16:13,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-12 09:16:13,757 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-12 09:16:14,229 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-12 09:16:14,229 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2019-01-12 09:16:14,243 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-12 09:16:14,243 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2019-01-12 09:16:14,243 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2019-01-12 09:16:14,246 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-01-12 09:16:14,246 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2019-01-12 09:16:14,247 INFO L87 Difference]: Start difference. First operand 22 states and 21 transitions. Second operand 10 states. [2019-01-12 09:16:14,775 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-12 09:16:14,776 INFO L93 Difference]: Finished difference Result 22 states and 21 transitions. [2019-01-12 09:16:14,778 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-01-12 09:16:14,779 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 21 [2019-01-12 09:16:14,779 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-12 09:16:14,779 INFO L225 Difference]: With dead ends: 22 [2019-01-12 09:16:14,780 INFO L226 Difference]: Without dead ends: 0 [2019-01-12 09:16:14,780 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 11 SyntacticMatches, 1 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=75, Invalid=165, Unknown=0, NotChecked=0, Total=240 [2019-01-12 09:16:14,781 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-01-12 09:16:14,782 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-01-12 09:16:14,782 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-01-12 09:16:14,782 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-01-12 09:16:14,782 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 21 [2019-01-12 09:16:14,783 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-12 09:16:14,784 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-01-12 09:16:14,784 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2019-01-12 09:16:14,784 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-01-12 09:16:14,784 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-01-12 09:16:14,788 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-01-12 09:16:15,011 WARN L181 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 32 [2019-01-12 09:16:15,187 INFO L448 ceAbstractionStarter]: For program point L23(lines 23 47) no Hoare annotation was computed. [2019-01-12 09:16:15,187 INFO L451 ceAbstractionStarter]: At program point L85(lines 68 86) the Hoare annotation is: true [2019-01-12 09:16:15,188 INFO L448 ceAbstractionStarter]: For program point L81(line 81) no Hoare annotation was computed. [2019-01-12 09:16:15,188 INFO L448 ceAbstractionStarter]: For program point L48(lines 48 52) no Hoare annotation was computed. [2019-01-12 09:16:15,188 INFO L448 ceAbstractionStarter]: For program point L48-1(lines 13 54) no Hoare annotation was computed. [2019-01-12 09:16:15,188 INFO L448 ceAbstractionStarter]: For program point L48-2(lines 48 52) no Hoare annotation was computed. [2019-01-12 09:16:15,189 INFO L448 ceAbstractionStarter]: For program point L36(lines 36 40) no Hoare annotation was computed. [2019-01-12 09:16:15,189 INFO L444 ceAbstractionStarter]: At program point L65(lines 56 66) the Hoare annotation is: (and (= (_ +zero 8 24) ULTIMATE.start_ceil_float_~x) (= |ULTIMATE.start_ceil_float_#res| (_ +zero 8 24)) (= ((_ to_fp 8 24) roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven 1000000000000000000000000000000.0)) ~huge_ceil~0) (exists ((ULTIMATE.start_ceil_float_~i0~0 (_ BitVec 32))) (and (= (bvadd ULTIMATE.start_ceil_float_~j0~0 (_ bv127 32)) (bvlshr (bvand (_ bv2147483647 32) ULTIMATE.start_ceil_float_~i0~0) (_ bv23 32))) (= (fp ((_ extract 31 31) ULTIMATE.start_ceil_float_~i0~0) ((_ extract 30 23) ULTIMATE.start_ceil_float_~i0~0) ((_ extract 22 0) ULTIMATE.start_ceil_float_~i0~0)) (_ +zero 8 24)))) (exists ((ULTIMATE.start_ceil_float_~i0~0 (_ BitVec 32))) (and (= ULTIMATE.start_ceil_float_~ix~0 (bvand (_ bv2147483647 32) ULTIMATE.start_ceil_float_~i0~0)) (= (fp ((_ extract 31 31) ULTIMATE.start_ceil_float_~i0~0) ((_ extract 30 23) ULTIMATE.start_ceil_float_~i0~0) ((_ extract 22 0) ULTIMATE.start_ceil_float_~i0~0)) (_ +zero 8 24)))) |ULTIMATE.start_main_#t~short8| (= (_ bv0 32) |ULTIMATE.start___signbit_float_#res|) (= ULTIMATE.start_main_~res~0 (_ +zero 8 24)) (= (fp ((_ extract 31 31) ULTIMATE.start___signbit_float_~w~0) ((_ extract 30 23) ULTIMATE.start___signbit_float_~w~0) ((_ extract 22 0) ULTIMATE.start___signbit_float_~w~0)) (_ +zero 8 24)) (= (fp ((_ extract 31 31) ULTIMATE.start_ceil_float_~i0~0) ((_ extract 30 23) ULTIMATE.start_ceil_float_~i0~0) ((_ extract 22 0) ULTIMATE.start_ceil_float_~i0~0)) (_ +zero 8 24)) (= ULTIMATE.start___signbit_float_~x (_ +zero 8 24))) [2019-01-12 09:16:15,189 INFO L448 ceAbstractionStarter]: For program point L-1(line -1) no Hoare annotation was computed. [2019-01-12 09:16:15,189 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-01-12 09:16:15,190 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-01-12 09:16:15,190 INFO L448 ceAbstractionStarter]: For program point L28(lines 28 30) no Hoare annotation was computed. [2019-01-12 09:16:15,190 INFO L448 ceAbstractionStarter]: For program point L24(lines 24 41) no Hoare annotation was computed. [2019-01-12 09:16:15,190 INFO L444 ceAbstractionStarter]: At program point L53(lines 13 54) the Hoare annotation is: (and (= (_ +zero 8 24) ULTIMATE.start_ceil_float_~x) (= |ULTIMATE.start_ceil_float_#res| (_ +zero 8 24)) (= ((_ to_fp 8 24) roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven 1000000000000000000000000000000.0)) ~huge_ceil~0) (exists ((ULTIMATE.start_ceil_float_~i0~0 (_ BitVec 32))) (and (= (bvadd ULTIMATE.start_ceil_float_~j0~0 (_ bv127 32)) (bvlshr (bvand (_ bv2147483647 32) ULTIMATE.start_ceil_float_~i0~0) (_ bv23 32))) (= (fp ((_ extract 31 31) ULTIMATE.start_ceil_float_~i0~0) ((_ extract 30 23) ULTIMATE.start_ceil_float_~i0~0) ((_ extract 22 0) ULTIMATE.start_ceil_float_~i0~0)) (_ +zero 8 24)))) (exists ((ULTIMATE.start_ceil_float_~i0~0 (_ BitVec 32))) (and (= ULTIMATE.start_ceil_float_~ix~0 (bvand (_ bv2147483647 32) ULTIMATE.start_ceil_float_~i0~0)) (= (fp ((_ extract 31 31) ULTIMATE.start_ceil_float_~i0~0) ((_ extract 30 23) ULTIMATE.start_ceil_float_~i0~0) ((_ extract 22 0) ULTIMATE.start_ceil_float_~i0~0)) (_ +zero 8 24)))) (= (fp ((_ extract 31 31) ULTIMATE.start_ceil_float_~i0~0) ((_ extract 30 23) ULTIMATE.start_ceil_float_~i0~0) ((_ extract 22 0) ULTIMATE.start_ceil_float_~i0~0)) (_ +zero 8 24))) [2019-01-12 09:16:15,190 INFO L448 ceAbstractionStarter]: For program point L16-1(lines 16 20) no Hoare annotation was computed. [2019-01-12 09:16:15,190 INFO L444 ceAbstractionStarter]: At program point L16-2(lines 16 20) the Hoare annotation is: (and (= (_ +zero 8 24) ULTIMATE.start_ceil_float_~x) (= ((_ to_fp 8 24) roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven 1000000000000000000000000000000.0)) ~huge_ceil~0)) [2019-01-12 09:16:15,191 INFO L448 ceAbstractionStarter]: For program point L16-3(lines 16 20) no Hoare annotation was computed. [2019-01-12 09:16:15,191 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 81) no Hoare annotation was computed. [2019-01-12 09:16:15,191 INFO L448 ceAbstractionStarter]: For program point L37(lines 37 38) no Hoare annotation was computed. [2019-01-12 09:16:15,191 INFO L448 ceAbstractionStarter]: For program point L37-2(lines 37 38) no Hoare annotation was computed. [2019-01-12 09:16:15,191 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-01-12 09:16:15,191 INFO L448 ceAbstractionStarter]: For program point L25(lines 25 31) no Hoare annotation was computed. [2019-01-12 09:16:15,192 INFO L448 ceAbstractionStarter]: For program point L34(lines 34 35) no Hoare annotation was computed. [2019-01-12 09:16:15,192 INFO L448 ceAbstractionStarter]: For program point L26(lines 26 30) no Hoare annotation was computed. [2019-01-12 09:16:15,192 INFO L448 ceAbstractionStarter]: For program point L59-1(lines 59 63) no Hoare annotation was computed. [2019-01-12 09:16:15,192 INFO L444 ceAbstractionStarter]: At program point L59-2(lines 59 63) the Hoare annotation is: (and (= (_ +zero 8 24) ULTIMATE.start_ceil_float_~x) (= |ULTIMATE.start_ceil_float_#res| (_ +zero 8 24)) (= ((_ to_fp 8 24) roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven 1000000000000000000000000000000.0)) ~huge_ceil~0) (exists ((ULTIMATE.start_ceil_float_~i0~0 (_ BitVec 32))) (and (= (bvadd ULTIMATE.start_ceil_float_~j0~0 (_ bv127 32)) (bvlshr (bvand (_ bv2147483647 32) ULTIMATE.start_ceil_float_~i0~0) (_ bv23 32))) (= (fp ((_ extract 31 31) ULTIMATE.start_ceil_float_~i0~0) ((_ extract 30 23) ULTIMATE.start_ceil_float_~i0~0) ((_ extract 22 0) ULTIMATE.start_ceil_float_~i0~0)) (_ +zero 8 24)))) (exists ((ULTIMATE.start_ceil_float_~i0~0 (_ BitVec 32))) (and (= ULTIMATE.start_ceil_float_~ix~0 (bvand (_ bv2147483647 32) ULTIMATE.start_ceil_float_~i0~0)) (= (fp ((_ extract 31 31) ULTIMATE.start_ceil_float_~i0~0) ((_ extract 30 23) ULTIMATE.start_ceil_float_~i0~0) ((_ extract 22 0) ULTIMATE.start_ceil_float_~i0~0)) (_ +zero 8 24)))) |ULTIMATE.start_main_#t~short8| (= ULTIMATE.start_main_~res~0 (_ +zero 8 24)) (= (fp ((_ extract 31 31) ULTIMATE.start_ceil_float_~i0~0) ((_ extract 30 23) ULTIMATE.start_ceil_float_~i0~0) ((_ extract 22 0) ULTIMATE.start_ceil_float_~i0~0)) (_ +zero 8 24)) (= ULTIMATE.start___signbit_float_~x (_ +zero 8 24))) [2019-01-12 09:16:15,192 INFO L448 ceAbstractionStarter]: For program point L59-3(lines 59 63) no Hoare annotation was computed. [2019-01-12 09:16:15,193 INFO L448 ceAbstractionStarter]: For program point L80(line 80) no Hoare annotation was computed. [2019-01-12 09:16:15,193 INFO L448 ceAbstractionStarter]: For program point L80-2(lines 80 83) no Hoare annotation was computed. [2019-01-12 09:16:15,193 INFO L448 ceAbstractionStarter]: For program point L43(lines 43 46) no Hoare annotation was computed. [2019-01-12 09:16:15,202 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 09:16:15,203 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 09:16:15,204 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] [2019-01-12 09:16:15,204 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] [2019-01-12 09:16:15,204 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] [2019-01-12 09:16:15,205 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] [2019-01-12 09:16:15,205 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] [2019-01-12 09:16:15,205 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] [2019-01-12 09:16:15,205 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] [2019-01-12 09:16:15,206 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] [2019-01-12 09:16:15,212 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 09:16:15,212 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 09:16:15,212 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] [2019-01-12 09:16:15,213 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] [2019-01-12 09:16:15,213 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] [2019-01-12 09:16:15,213 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] [2019-01-12 09:16:15,213 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] [2019-01-12 09:16:15,214 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] [2019-01-12 09:16:15,214 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] [2019-01-12 09:16:15,214 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] [2019-01-12 09:16:15,219 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 09:16:15,220 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 09:16:15,220 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] [2019-01-12 09:16:15,220 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] [2019-01-12 09:16:15,221 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] [2019-01-12 09:16:15,221 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] [2019-01-12 09:16:15,221 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] [2019-01-12 09:16:15,222 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] [2019-01-12 09:16:15,222 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] [2019-01-12 09:16:15,222 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] [2019-01-12 09:16:15,224 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 09:16:15,225 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 09:16:15,225 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] [2019-01-12 09:16:15,225 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] [2019-01-12 09:16:15,226 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] [2019-01-12 09:16:15,226 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] [2019-01-12 09:16:15,227 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] [2019-01-12 09:16:15,227 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] [2019-01-12 09:16:15,227 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] [2019-01-12 09:16:15,229 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] [2019-01-12 09:16:15,231 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 09:16:15,232 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 09:16:15,232 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 09:16:15,232 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 09:16:15,234 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 09:16:15,234 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 09:16:15,234 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] [2019-01-12 09:16:15,235 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] [2019-01-12 09:16:15,235 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] [2019-01-12 09:16:15,235 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] [2019-01-12 09:16:15,235 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] [2019-01-12 09:16:15,236 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] [2019-01-12 09:16:15,236 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] [2019-01-12 09:16:15,236 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] [2019-01-12 09:16:15,238 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 09:16:15,238 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 09:16:15,239 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] [2019-01-12 09:16:15,239 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] [2019-01-12 09:16:15,239 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] [2019-01-12 09:16:15,239 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] [2019-01-12 09:16:15,241 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] [2019-01-12 09:16:15,241 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] [2019-01-12 09:16:15,242 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] [2019-01-12 09:16:15,243 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] [2019-01-12 09:16:15,246 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.01 09:16:15 BoogieIcfgContainer [2019-01-12 09:16:15,246 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-01-12 09:16:15,246 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-01-12 09:16:15,246 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-01-12 09:16:15,247 INFO L276 PluginConnector]: Witness Printer initialized [2019-01-12 09:16:15,247 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.01 09:16:11" (3/4) ... [2019-01-12 09:16:15,253 INFO L144 WitnessPrinter]: Generating witness for correct program [2019-01-12 09:16:15,266 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges [2019-01-12 09:16:15,266 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2019-01-12 09:16:15,267 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-01-12 09:16:15,294 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((~Pluszero~LONGDOUBLE() == x && \result == ~Pluszero~LONGDOUBLE()) && ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0E30)) == huge_ceil) && (\exists ULTIMATE.start_ceil_float_~i0~0 : bv32 :: ~bvadd64(j0, 127bv32) == ~bvlshr32(~bvand32(2147483647bv32, ULTIMATE.start_ceil_float_~i0~0), 23bv32) && ~fp~LONGDOUBLE(ULTIMATE.start_ceil_float_~i0~0[31:31], ULTIMATE.start_ceil_float_~i0~0[30:23], ULTIMATE.start_ceil_float_~i0~0[22:0]) == ~Pluszero~LONGDOUBLE())) && (\exists ULTIMATE.start_ceil_float_~i0~0 : bv32 :: ix == ~bvand32(2147483647bv32, ULTIMATE.start_ceil_float_~i0~0) && ~fp~LONGDOUBLE(ULTIMATE.start_ceil_float_~i0~0[31:31], ULTIMATE.start_ceil_float_~i0~0[30:23], ULTIMATE.start_ceil_float_~i0~0[22:0]) == ~Pluszero~LONGDOUBLE())) && ~fp~LONGDOUBLE(i0[31:31], i0[30:23], i0[22:0]) == ~Pluszero~LONGDOUBLE() [2019-01-12 09:16:15,295 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((~Pluszero~LONGDOUBLE() == x && \result == ~Pluszero~LONGDOUBLE()) && ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0E30)) == huge_ceil) && (\exists ULTIMATE.start_ceil_float_~i0~0 : bv32 :: ~bvadd64(j0, 127bv32) == ~bvlshr32(~bvand32(2147483647bv32, ULTIMATE.start_ceil_float_~i0~0), 23bv32) && ~fp~LONGDOUBLE(ULTIMATE.start_ceil_float_~i0~0[31:31], ULTIMATE.start_ceil_float_~i0~0[30:23], ULTIMATE.start_ceil_float_~i0~0[22:0]) == ~Pluszero~LONGDOUBLE())) && (\exists ULTIMATE.start_ceil_float_~i0~0 : bv32 :: ix == ~bvand32(2147483647bv32, ULTIMATE.start_ceil_float_~i0~0) && ~fp~LONGDOUBLE(ULTIMATE.start_ceil_float_~i0~0[31:31], ULTIMATE.start_ceil_float_~i0~0[30:23], ULTIMATE.start_ceil_float_~i0~0[22:0]) == ~Pluszero~LONGDOUBLE())) && aux-res == 0.0f && __signbit_float(res) == 0-aux) && res == ~Pluszero~LONGDOUBLE()) && ~fp~LONGDOUBLE(i0[31:31], i0[30:23], i0[22:0]) == ~Pluszero~LONGDOUBLE()) && x == ~Pluszero~LONGDOUBLE() [2019-01-12 09:16:15,295 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((~Pluszero~LONGDOUBLE() == x && \result == ~Pluszero~LONGDOUBLE()) && ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0E30)) == huge_ceil) && (\exists ULTIMATE.start_ceil_float_~i0~0 : bv32 :: ~bvadd64(j0, 127bv32) == ~bvlshr32(~bvand32(2147483647bv32, ULTIMATE.start_ceil_float_~i0~0), 23bv32) && ~fp~LONGDOUBLE(ULTIMATE.start_ceil_float_~i0~0[31:31], ULTIMATE.start_ceil_float_~i0~0[30:23], ULTIMATE.start_ceil_float_~i0~0[22:0]) == ~Pluszero~LONGDOUBLE())) && (\exists ULTIMATE.start_ceil_float_~i0~0 : bv32 :: ix == ~bvand32(2147483647bv32, ULTIMATE.start_ceil_float_~i0~0) && ~fp~LONGDOUBLE(ULTIMATE.start_ceil_float_~i0~0[31:31], ULTIMATE.start_ceil_float_~i0~0[30:23], ULTIMATE.start_ceil_float_~i0~0[22:0]) == ~Pluszero~LONGDOUBLE())) && aux-res == 0.0f && __signbit_float(res) == 0-aux) && 0bv32 == \result) && res == ~Pluszero~LONGDOUBLE()) && ~fp~LONGDOUBLE(w[31:31], w[30:23], w[22:0]) == ~Pluszero~LONGDOUBLE()) && ~fp~LONGDOUBLE(i0[31:31], i0[30:23], i0[22:0]) == ~Pluszero~LONGDOUBLE()) && x == ~Pluszero~LONGDOUBLE() [2019-01-12 09:16:15,354 INFO L145 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2019-01-12 09:16:15,354 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-01-12 09:16:15,356 INFO L168 Benchmark]: Toolchain (without parser) took 5342.30 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 121.1 MB). Free memory was 952.7 MB in the beginning and 908.9 MB in the end (delta: 43.8 MB). Peak memory consumption was 164.9 MB. Max. memory is 11.5 GB. [2019-01-12 09:16:15,357 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 1.0 GB. Free memory is still 978.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-01-12 09:16:15,358 INFO L168 Benchmark]: CACSL2BoogieTranslator took 408.80 ms. Allocated memory is still 1.0 GB. Free memory was 952.7 MB in the beginning and 942.0 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2019-01-12 09:16:15,358 INFO L168 Benchmark]: Boogie Procedure Inliner took 121.84 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 121.1 MB). Free memory was 942.0 MB in the beginning and 1.1 GB in the end (delta: -167.8 MB). Peak memory consumption was 18.6 MB. Max. memory is 11.5 GB. [2019-01-12 09:16:15,359 INFO L168 Benchmark]: Boogie Preprocessor took 50.26 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-01-12 09:16:15,359 INFO L168 Benchmark]: RCFGBuilder took 867.79 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 20.4 MB). Peak memory consumption was 20.4 MB. Max. memory is 11.5 GB. [2019-01-12 09:16:15,360 INFO L168 Benchmark]: TraceAbstraction took 3779.50 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 908.9 MB in the end (delta: 180.5 MB). Peak memory consumption was 180.5 MB. Max. memory is 11.5 GB. [2019-01-12 09:16:15,362 INFO L168 Benchmark]: Witness Printer took 107.86 ms. Allocated memory is still 1.2 GB. Free memory is still 908.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-01-12 09:16:15,365 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 1.0 GB. Free memory is still 978.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 408.80 ms. Allocated memory is still 1.0 GB. Free memory was 952.7 MB in the beginning and 942.0 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 121.84 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 121.1 MB). Free memory was 942.0 MB in the beginning and 1.1 GB in the end (delta: -167.8 MB). Peak memory consumption was 18.6 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 50.26 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 867.79 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 20.4 MB). Peak memory consumption was 20.4 MB. Max. memory is 11.5 GB. * TraceAbstraction took 3779.50 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 908.9 MB in the end (delta: 180.5 MB). Peak memory consumption was 180.5 MB. Max. memory is 11.5 GB. * Witness Printer took 107.86 ms. Allocated memory is still 1.2 GB. Free memory is still 908.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 81]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 13]: Loop Invariant [2019-01-12 09:16:15,373 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 09:16:15,374 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 09:16:15,383 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] [2019-01-12 09:16:15,383 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] [2019-01-12 09:16:15,383 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] [2019-01-12 09:16:15,384 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] [2019-01-12 09:16:15,384 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] [2019-01-12 09:16:15,384 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] [2019-01-12 09:16:15,384 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] [2019-01-12 09:16:15,384 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] [2019-01-12 09:16:15,386 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 09:16:15,386 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 09:16:15,386 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] [2019-01-12 09:16:15,386 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] [2019-01-12 09:16:15,386 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] [2019-01-12 09:16:15,387 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] [2019-01-12 09:16:15,387 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] [2019-01-12 09:16:15,387 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] [2019-01-12 09:16:15,387 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] [2019-01-12 09:16:15,387 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] Derived loop invariant: ((((~Pluszero~LONGDOUBLE() == x && \result == ~Pluszero~LONGDOUBLE()) && ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0E30)) == huge_ceil) && (\exists ULTIMATE.start_ceil_float_~i0~0 : bv32 :: ~bvadd64(j0, 127bv32) == ~bvlshr32(~bvand32(2147483647bv32, ULTIMATE.start_ceil_float_~i0~0), 23bv32) && ~fp~LONGDOUBLE(ULTIMATE.start_ceil_float_~i0~0[31:31], ULTIMATE.start_ceil_float_~i0~0[30:23], ULTIMATE.start_ceil_float_~i0~0[22:0]) == ~Pluszero~LONGDOUBLE())) && (\exists ULTIMATE.start_ceil_float_~i0~0 : bv32 :: ix == ~bvand32(2147483647bv32, ULTIMATE.start_ceil_float_~i0~0) && ~fp~LONGDOUBLE(ULTIMATE.start_ceil_float_~i0~0[31:31], ULTIMATE.start_ceil_float_~i0~0[30:23], ULTIMATE.start_ceil_float_~i0~0[22:0]) == ~Pluszero~LONGDOUBLE())) && ~fp~LONGDOUBLE(i0[31:31], i0[30:23], i0[22:0]) == ~Pluszero~LONGDOUBLE() - InvariantResult [Line: 68]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 56]: Loop Invariant [2019-01-12 09:16:15,397 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 09:16:15,397 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 09:16:15,397 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] [2019-01-12 09:16:15,398 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] [2019-01-12 09:16:15,398 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] [2019-01-12 09:16:15,398 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] [2019-01-12 09:16:15,398 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] [2019-01-12 09:16:15,399 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] [2019-01-12 09:16:15,402 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] [2019-01-12 09:16:15,402 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] [2019-01-12 09:16:15,403 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 09:16:15,404 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 09:16:15,404 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] [2019-01-12 09:16:15,404 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] [2019-01-12 09:16:15,404 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] [2019-01-12 09:16:15,405 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] [2019-01-12 09:16:15,405 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] [2019-01-12 09:16:15,405 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] [2019-01-12 09:16:15,405 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] [2019-01-12 09:16:15,405 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] Derived loop invariant: (((((((((~Pluszero~LONGDOUBLE() == x && \result == ~Pluszero~LONGDOUBLE()) && ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0E30)) == huge_ceil) && (\exists ULTIMATE.start_ceil_float_~i0~0 : bv32 :: ~bvadd64(j0, 127bv32) == ~bvlshr32(~bvand32(2147483647bv32, ULTIMATE.start_ceil_float_~i0~0), 23bv32) && ~fp~LONGDOUBLE(ULTIMATE.start_ceil_float_~i0~0[31:31], ULTIMATE.start_ceil_float_~i0~0[30:23], ULTIMATE.start_ceil_float_~i0~0[22:0]) == ~Pluszero~LONGDOUBLE())) && (\exists ULTIMATE.start_ceil_float_~i0~0 : bv32 :: ix == ~bvand32(2147483647bv32, ULTIMATE.start_ceil_float_~i0~0) && ~fp~LONGDOUBLE(ULTIMATE.start_ceil_float_~i0~0[31:31], ULTIMATE.start_ceil_float_~i0~0[30:23], ULTIMATE.start_ceil_float_~i0~0[22:0]) == ~Pluszero~LONGDOUBLE())) && aux-res == 0.0f && __signbit_float(res) == 0-aux) && 0bv32 == \result) && res == ~Pluszero~LONGDOUBLE()) && ~fp~LONGDOUBLE(w[31:31], w[30:23], w[22:0]) == ~Pluszero~LONGDOUBLE()) && ~fp~LONGDOUBLE(i0[31:31], i0[30:23], i0[22:0]) == ~Pluszero~LONGDOUBLE()) && x == ~Pluszero~LONGDOUBLE() - InvariantResult [Line: 16]: Loop Invariant [2019-01-12 09:16:15,406 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 09:16:15,407 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 09:16:15,412 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 09:16:15,412 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven Derived loop invariant: ~Pluszero~LONGDOUBLE() == x && ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0E30)) == huge_ceil - InvariantResult [Line: 59]: Loop Invariant [2019-01-12 09:16:15,413 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 09:16:15,413 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 09:16:15,413 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] [2019-01-12 09:16:15,414 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] [2019-01-12 09:16:15,414 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] [2019-01-12 09:16:15,414 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] [2019-01-12 09:16:15,414 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] [2019-01-12 09:16:15,414 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] [2019-01-12 09:16:15,418 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] [2019-01-12 09:16:15,418 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] [2019-01-12 09:16:15,419 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 09:16:15,419 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 09:16:15,419 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] [2019-01-12 09:16:15,420 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] [2019-01-12 09:16:15,420 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] [2019-01-12 09:16:15,420 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] [2019-01-12 09:16:15,420 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] [2019-01-12 09:16:15,420 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] [2019-01-12 09:16:15,423 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] [2019-01-12 09:16:15,423 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] Derived loop invariant: (((((((~Pluszero~LONGDOUBLE() == x && \result == ~Pluszero~LONGDOUBLE()) && ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0E30)) == huge_ceil) && (\exists ULTIMATE.start_ceil_float_~i0~0 : bv32 :: ~bvadd64(j0, 127bv32) == ~bvlshr32(~bvand32(2147483647bv32, ULTIMATE.start_ceil_float_~i0~0), 23bv32) && ~fp~LONGDOUBLE(ULTIMATE.start_ceil_float_~i0~0[31:31], ULTIMATE.start_ceil_float_~i0~0[30:23], ULTIMATE.start_ceil_float_~i0~0[22:0]) == ~Pluszero~LONGDOUBLE())) && (\exists ULTIMATE.start_ceil_float_~i0~0 : bv32 :: ix == ~bvand32(2147483647bv32, ULTIMATE.start_ceil_float_~i0~0) && ~fp~LONGDOUBLE(ULTIMATE.start_ceil_float_~i0~0[31:31], ULTIMATE.start_ceil_float_~i0~0[30:23], ULTIMATE.start_ceil_float_~i0~0[22:0]) == ~Pluszero~LONGDOUBLE())) && aux-res == 0.0f && __signbit_float(res) == 0-aux) && res == ~Pluszero~LONGDOUBLE()) && ~fp~LONGDOUBLE(i0[31:31], i0[30:23], i0[22:0]) == ~Pluszero~LONGDOUBLE()) && x == ~Pluszero~LONGDOUBLE() - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 30 locations, 1 error locations. SAFE Result, 3.6s OverallTime, 6 OverallIterations, 1 TraceHistogramMax, 1.6s AutomataDifference, 0.0s DeadEndRemovalTime, 0.3s HoareAnnotationTime, HoareTripleCheckerStatistics: 111 SDtfs, 220 SDslu, 96 SDs, 0 SdLazy, 111 SolverSat, 19 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 99 GetRequests, 62 SyntacticMatches, 3 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 1.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=30occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 6 MinimizatonAttempts, 12 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 5 LocationsWithAnnotation, 5 PreInvPairs, 10 NumberOfFragments, 215 HoareAnnotationTreeSize, 5 FomulaSimplifications, 102 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 5 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 91 NumberOfCodeBlocks, 91 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 85 ConstructedInterpolants, 6 QuantifiedInterpolants, 7103 SizeOfPredicates, 34 NumberOfNonLiveVariables, 235 ConjunctsInSsa, 52 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...